Kim, Dong Ju
Baek, Sehyun
Chang, Minwook
Funding for this research was provided by:
Dongguk University (S-2014-G0001-00024)
Article History
Received: 23 August 2018
Revised: 11 February 2019
Accepted: 20 March 2019
First Online: 29 April 2019
Compliance with ethical standards
: All procedures performed in study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Specifically, this study was approved by the Institutional Review Board of Dongguk University, Ilsan Hospital, Goyang, South Korea (IRB 2018-04-020).
: Author MC has received research grants from Dongguk University Research Fund. But, the funding organization had no role in the design or conduct of this research. Author DJK declares that he has no conflict of interest. Author SB declares that he has no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.